Katy Perry's Breakup Anthem

From Jennifer Hudson's tear-jerking Whitney Houston tribute to Nicki Minaj's Exorcist-inspired "Roman Holiday," yesterday's Grammy Awards were packed with amazing performances. But Katy Perry's definitely caught our eye with what seemed to be a hidden message to her fans...and her ex.

Dressed in a second-skin jumpsuit, the singer performed "E.T.," followed by her song, "Part of Me," which interestingly enough is about a breakup. (Katy, as you probably know, just signed off on her divorce from Russell Brand.)

Sure, the song was recorded before her split from Russell, but the timing of Katy belting out a breakup anthem during one of the most watched awards shows of the year probably wasn't coincidental. Further proof: She changed the song lyrics from "You can keep the dog from me…I never liked him anyway" to "You can keep the diamond ring…it don't mean nothing anyway."

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Did we mention Katy looked a-ma-zing with her teased blue bob, shaking her thing in a latex bodysuit? Katy and Russell have remained publicly civil about their split but, well, breaking up is never fun and it never hurts to remind a guy what he's missing.